1244103040 has 32 divisors (see below), whose sum is σ = 2974185360. Its totient is φ = 497640960.

The previous prime is 1244103013. The next prime is 1244103041. The reversal of 1244103040 is 403014421.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 1244102999 and 1244103017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244103041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 971316 + ... + 972595.

Almost surely, 2^1244103040 is an apocalyptic number.

1244103040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1244103040 is an abundant number, since it is smaller than the sum of its proper divisors (1730082320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1244103040 is an equidigital number, since it uses as much as digits as its factorization.

1244103040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1943930 (or 1943918 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1244103040 is about 35271.8448624395. The cubic root of 1244103040 is about 1075.5207255478.

Adding to 1244103040 its reverse (403014421), we get a palindrome (1647117461).

The spelling of 1244103040 in words is "one billion, two hundred forty-four million, one hundred three thousand, forty".